All ASNs

Autonomous System details for AS23980

AS23980
Yeungnam University • yu.ac.kr

AS23980 — Yeungnam University

AS Name
YU-AS-KR-KR
Country
South Korea (KR)
Website
Number of IPv4
65,792
Number of IPv6
0
ASN type
Education
Status
Allocated
Registry
APNIC
Allocated
December 30, 2003
Last updated
August 29, 2023

IP Ranges

2 IPv4 prefixes
Prefix Company Number of IPs
165.229.0.0/16 Yeungnam University 65,536
165.229.50.0/24 Yeungnam University 256

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS23980

0 peers

AS23980 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS23980

2 upstreams

AS23980 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS23980 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS23980

0 downstreams

AS23980 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

Our IP address tools

Explore all tools

What is my IP?

Discover your public IP address and detailed information about your connection.

CIDR to IP Range Converter (IPv4 and IPv6)

Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.

IP to Hostname/rDNS Lookup

Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.

IPv6 Expander/Collapser

Expand or collapse IPv6 addresses to their full or shortened forms for better readability and usage.